Guerline Sinsmyr, MD
NPI 1255715462 · Internal Medicine Physician · Creston, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guerline Sinsmyr, MD is a Internal Medicine Physician provider in Creston, IA (NPI 1255715462).
Provider details
- NPI number
- 1255715462
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 268 | 75 |
| Lisinopril | 163 | 47 |
| Losartan Potassium | 151 | 47 |
| Amlodipine Besylate | 135 | 38 |
| Omeprazole | 128 | 35 |
| Gabapentin | 119 | 28 |
| Furosemide | 115 |
Practice location
Mailing address
Additional practice locations (2)
- 374 Stockholm StBrooklyn, NY 11237-4006Phone: (718) 963-7272
- 506 Lenox AveNew York, NY 10037Phone: (212) 939-1406
Registry dates
- Enumerated
- 2015-07-17
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Guerline Sinsmyr's NPI number?
- Guerline Sinsmyr's National Provider Identifier (NPI) is 1255715462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guerline Sinsmyr's specialty?
- Guerline Sinsmyr is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guerline Sinsmyr located?
- Guerline Sinsmyr's practice location on file with NPPES is 1700 W Townline St, Creston, IA 50801-1054.
- What is Guerline Sinsmyr's phone number?
- The practice phone number listed in the NPPES registry for Guerline Sinsmyr is (641) 782-3947.
- Does Guerline Sinsmyr accept Medicare?
- Guerline Sinsmyr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guerline Sinsmyr's NPI active?
- Yes — Guerline Sinsmyr's NPI (1255715462) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.